package com.example.day08.ex02;

public class StringTest04 {
    public static void main(String[] args) {
        int[]arr={1,2,3};
        String s=arrToString(arr);
        System.out.println("s:"+s);
    }
    public static String arrToString(int[]arr){
        String s="";
        s+="[";
        for (int i = 0; i < arr.length; i++){
            if (i==arr.length-1){
                s+=arr[i];
            }else{
            s+=arr[i];
            s+=",";
            }
        }
        s+="]";
        return s;
    }
}
